GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A certain fish is found to have an air bladder. Is it a member of the cartilaginous fishes or the bony fishes?
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cartilaginous
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bony
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Swim bladder or air bladder is found only in bony fishes.
Detailed explanation-2: -Swim bladders also known as swim bladder are found in many bony fish, but are not found in cartilaginous fish.
Detailed explanation-3: -Cartilaginous fishes (chondrichthyes) represent the oldest surviving jawed vertebrates and, as the name suggests, have a skeleton made out of cartilage. They include sharks, rays, and skates (elasmobranchii) and chimeras (holocephali).
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